Glossary

3G A third-generation cellular network that’s faster than the old EDGE network and is supported in iPad Wi-Fi + 3G models for data delivery over the cellular network.

802.11 See Wi-Fi.

accelerometer The component inside the iPad that senses the device’s orientation in space and adjusts the display accordingly (such as switching Safari from portrait view to landscape view).

access point A networking device that enables two or more devices to connect over a Wi-Fi network and to access a shared Internet connection.

ad hoc wireless network A wireless network that doesn’t use an access point.

airplane mode An operational mode that turns off the transceivers for the iPad’s 3G, Wi-Fi, and Bluetooth features, which puts the device in compliance with federal aviation regulations.

AirPlay A wireless technology that enables you to stream iPad video or audio to an Apple TV device and to see or hear that media on your TV or audio receiver.

AirPrint A wireless technology that enables you to send a web page, e-mail message, or other text from your iPad to a printer.

app An application that is designed for and runs on a specific device (such as an iPad) or a set of related devices (such as an iPad, iPhone, and iPod touch).

authentication See SMTP authentication.

Bluetooth A wireless networking technology that enables you to exchange data between two devices using radio frequencies when the devices are within range of each other (usually within about 33 feet/10 meters).

bookmark An Internet site saved in Safari so you can access the site quickly in future browsing sessions.

cloud The collection of me.com-networked servers that store your MobileMe data and push any new data to your iPad, Mac, or Windows PC.

cycling Letting the iPad battery completely discharge and then fully recharging it again.

data roaming A cellular provider feature that enables you to perform activities such as checking for e-mail when you’re outside of your provider’s normal coverage area.

digital rights management Technology that restricts the usage of content to prevent piracy.

discoverable Describes a device that has its Bluetooth feature turned on so other Bluetooth devices can connect to it.

double-tap To use a fingertip to quickly press and release the iPad screen twice.

DRM See digital rights management.

EDGE (Enhanced Data rates for GSM [Global System for Mobile communication] Evolution) A cellular network that’s older and slower than 3G, although still supported by the iPad.

event An appointment or meeting that you’ve scheduled in your iPad’s Calendar.

flick To quickly and briefly drag a finger across the iPad screen.

FM transmitter A device that sends the iPad’s output to an FM radio frequency, which you then play through your car stereo.

GPS (Global Positioning System) A satellite-based navigation system that uses wireless signals from a GPS receiver — such as the one in the iPad — to accurately determine the receiver’s current position.

group A collection of Address Book contacts. See also Smart Group.

headset A combination of headphones for listening and a microphone for talking.

Home screen The main screen on your iPad, which you access by pressing the Home button.

Home Sharing An iTunes feature that enables you to share the iTunes library on your Mac or PC with your iPad.

IMAP (Internet Message Access Protocol) A type of e-mail account where incoming messages, as well as copies of messages you send, remain on the server.

keychain A list of saved passwords on a Mac.

magnetometer A device that measures the direction and intensity of a magnetic field.

memory effect The process where a battery loses capacity over time if you repeatedly recharge it without first fully discharging it.

multitouch A touchscreen technology that can detect and interpret two or more simultaneous touches, such as two-finger taps, spreads, and pinches.

pair To connect one Bluetooth device with another by entering a passkey.

pan To slide a photo or other image up, down, left, or right.

passcode A four-digit code used to secure or lock an iPad.

piconet An ad hoc wireless network created by two Bluetooth devices.

pinch To move two fingers closer together on the iPad screen. See also spread.

playlist A collection of songs that you create using iTunes.

POP (Post Office Protocol) A type of e-mail account where incoming messages are only stored temporarily on the provider’s mail server, and when you connect to the server, the messages are downloaded to the iPad and removed from the server. See also IMAP.

power cycle A method of rebooting your iPad, in which you turn the device off, wait a few seconds for its inner components to stop spinning, and then turn it on again.

preferences The options, settings, and other data that you’ve configured for your Mac via System Preferences.

push To send data immediately without being prompted.

ringtone A sound that plays when an incoming call is received.

RSS feed A special file that contains the most recent information added to a website.

silent mode An operational state where the iPad plays no sounds, except alerts set with the Clock application.

slide To drag a finger across the iPad screen.

Smart Group A collection of Address Book contacts where each member has one or more things in common, and where Address Book adds or deletes members automatically as you add, edit, and delete contacts.

SMS (Short Message Service) A wireless messaging service that enables the exchange of short text messages between mobile devices.

SMTP (Simple Mail Transfer Protocol) The set of protocols that determines how e-mail messages are addressed and sent.

SMTP authentication The requirement that you must log on to a provider’s SMTP server to confirm that you’re the person sending the mail.

SMTP server The server that an Internet service provider uses to process outgoing e-mail messages.

spread To move two fingers apart on the iPad screen. See also pinch.

SSID (Service Set Identifier) The name that identifies a network to Wi-Fi devices.

synchronization A process that ensures that data such as contacts, e-mail accounts, and events on your computer is the same as the data on your iPad.

tap To use a fingertip to quickly press and release the iPad screen.

touchscreen A screen that responds to touches such as finger taps and finger slides.

transceiver A device that transmits and receives wireless signals.

trim To edit the start point and endpoint of a video recording or a voice memo.

two-fingered tap To use two fingertips to quickly press and release the iPad screen.

user-installable A component that an end user can remove and replace.

vCard A file that contains a person’s contact information.

.vcf The file extension used by a vCard.

wallpaper The background image you see when you unlock your iPad.

web clip A Home screen icon that serves as a link to a web page that preserves the page’s scroll position and zoom level.

Wi-Fi (Wireless Fidelity) A wireless networking standard that enables wireless devices to transmit data and communicate with other devices using radio frequency signals that are beamed from one device to another.